Summary
Overview
Work History
Education
Skills
Courses/ Certificates
Languages
Timeline
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Irena Pervil

BI Analyst

Summary

BI Analyst with over 4 years of comprehensive experience in Power BI, SQL, and Tableau, specializing in data analysis, data modeling, visualization, and reporting. Proficient in delivering business insights and metrics for corporate decision-making. A fast learner with a strong commitment to continuous professional growth

Overview

4
4
years of professional experience
3
3
years of post-secondary education

Work History

BI Analyst

ESPRIT
11.2023 - Current
  • Developing intuitive and insightful automated Power BI reporting platform (PBI reports, Apps, DAX, data models, Power Automate) based on stakeholder requirements, including 2 new Apps and 15 new dashboards, leading to 20% increase in user engagement
  • Automated and transformed manual reporting processes into Power BI reports for Retail and HR departments, resulting in 80% reduction in report generation time.
  • Increasing performance and maintaining existing Power BI reports, leading to 25% reduction in report loading time
  • Supporting internal stakeholders with ad-hoc product and financial analysis to answer business questions
  • Automating data collection processes, integrating data from various sources, including SAP HANA, to streamline workflows and improve data accuracy.

Business Analyst

KOŠIK.CZ
09.2022 - 10.2023
  • Developed data-driven solutions using Tableau: Analyzed operational and date time series data to monitor KPIs, identify areas for improvement, and generate actionable insights
  • Built 25 automated Tableau dashboards for operations team, ensuring timely, accurate, and comprehensive data visualization
  • Collaborated with vendors to run and analyze over 10 simulation projects, leading to 4% increase in Perfect delivery and 5% reduction in cost per order
  • Supported internal stakeholders with preparing ad-hoc reports, providing insights to support decision-making
  • Data quality assurance and verification: Tested and verified data accuracy to ensure high-quality outputs for stakeholders.

BI Analyst

INTERNATIONAL SOS
01.2020 - 08.2022
  • Developed and maintained Power BI reporting platform from various sources to provide E2E clients' key metrics and utilization measures
  • Managed access to data for 200+ active users using Salesforce 'Roles'
  • Prepared ad-hoc reports based on identified and collected requirements from stakeholders incl
  • Account and Senior managers and ticket system ServiceNow
  • Streamlined reporting processes by automating ad-hoc reports using Power BI and Salesforce, enhancing efficiency and reducing number of requests by 40%
  • Proactively identified and developed opportunities for enhancement within reporting platform, demonstrating keen eye for continuous improvement and optimization, and troubleshooted data errors in cooperation with IT/technical teams
  • Responsible for monthly data collection from different data sources and processing.

Education

Bc. Production and Economics in Engineering -

Faculty of Mechanical Engineering, Czech Technical University in Prague
Czechia
10.2012 - 02.2016

Skills

MS POWER BI:

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Courses/ Certificates

  • Microsoft PL-300 Data Analyst
  • Microsoft Power BI - Advanced - GoPas
  • SQL 2 - OKSystem
  • Master Tableau in Data Science - Udemy
  • Tableau A-Z: Hands-On Tableau Training for Data Science - Udemy


Languages

English
Advanced
C1
Czech
Proficient
C2

Timeline

BI Analyst

ESPRIT
11.2023 - Current

Business Analyst

KOŠIK.CZ
09.2022 - 10.2023

BI Analyst

INTERNATIONAL SOS
01.2020 - 08.2022

Bc. Production and Economics in Engineering -

Faculty of Mechanical Engineering, Czech Technical University in Prague
10.2012 - 02.2016

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Irena PervilBI Analyst